-7(t-4)-(t+7)=9

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Solution for -7(t-4)-(t+7)=9 equation:


-7(t-4)-(t+7)=9

We simplify the equation to the form, which is simple to understand 
-7(t-4)-(t+7)=9

Reorder the terms in parentheses
+(-7t+28)-(t+7)=9

Remove unnecessary parentheses
-7t+28-(+t+7+)=+9

Remove unnecessary parentheses
-7t+28-1t-7=9

We move all terms containing t to the left and all other terms to the right. 
-7t-1t=+9-28+7

We simplify left and right side of the equation. 
-8t=-12

We divide both sides of the equation by -8 to get t. 
t=1.5

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